Some brand marketers have already found effective ways to use the 6-second video format of Twitter's Vine application, Hannah Fleishman writes. U.K. online retailer ASOS sent out a fun clip of a recipient's joy at opening the box with her new hat. Gogo used a similar stop-motion animation technique to show it's giving away laptops as part of a Valentine's Day contest, and Animate & Create referenced old-fashioned cartoon flip books.